Remove "Details" from breadcrumb and JSON+JD on Group top page

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

app/views/groups/show.html.haml

-- breadcrumb_title _("Details")
 - @content_class = "limit-container-width" unless fluid_layout
 - page_itemtype    'https://schema.org/Organization'
+- @skip_current_level_breadcrumb = true
 
 - if show_thanks_for_purchase_banner?
   = render_if_exists 'shared/thanks_for_purchase_banner', plan_title: plan_title, quantity: params[:purchased_quantity].to_i

changelogs/unreleased/284008-remove-the-breadcrumb-on-subgroup-top-page.yml

+---
+title: Remove "Details" from breadcrumb and JSON+JD on Group top page
+merge_request: 47854
+author: Takuya Noguchi
+type: changed

spec/features/breadcrumbs_schema_markup_spec.rb

@@ -44,15 +44,12 @@ RSpec.describe 'Breadcrumbs schema markup', :aggregate_failures do
 
     item_list = get_schema_content
 
-    expect(item_list.size).to eq 3
+    expect(item_list.size).to eq 2
     expect(item_list[0]['name']).to eq group.name
     expect(item_list[0]['item']).to eq group_url(group)
 
     expect(item_list[1]['name']).to eq subgroup.name
     expect(item_list[1]['item']).to eq group_url(subgroup)
-
-    expect(item_list[2]['name']).to eq 'Details'
-    expect(item_list[2]['item']).to eq group_url(subgroup)
   end
 
   it 'generates the breadcrumb schema for issues' do